1375451785118 has 8 divisors (see below), whose sum is σ = 2063362368648. Its totient is φ = 687664328904.

The previous prime is 1375451785087. The next prime is 1375451785151. The reversal of 1375451785118 is 8115871545731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1375451785118² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30753896 + ... + 30798587.

It is an arithmetic number, because the mean of its divisors is an integer number (257920296081).

Almost surely, 2^{1375451785118} is an apocalyptic number.

1375451785118 is a deficient number, since it is larger than the sum of its proper divisors (687910583530).

1375451785118 is a wasteful number, since it uses less digits than its factorization.

1375451785118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61563658.

The product of its digits is 4704000, while the sum is 56.

The spelling of 1375451785118 in words is "one trillion, three hundred seventy-five billion, four hundred fifty-one million, seven hundred eighty-five thousand, one hundred eighteen".